09:05 AM EDT, 09/23/2025 (MT Newswires) -- Energy stocks were advancing premarket Tuesday, with the Energy Select Sector SPDR Fund (XLE) up 0.5%.

The United States Oil Fund (USO) was 1.2% higher and the United States Natural Gas Fund (UNG) was down 1.1%.

Front-month US West Texas Intermediate crude oil was 1.3% higher at $63.09 per barrel at the New York Mercantile Exchange. Global benchmark North Sea Brent crude oil gained 1% to $67.26 per barrel, and natural gas futures were down 1.1% at $3.06 per 1 million British Thermal Units.

Exxon Mobil ( XOM ) shares were 0.4% higher after the company said it has started to leverage a proprietary technology in Singapore to increase production of higher-value products, including a range of lubricant base stocks and fuel.